Hex Head Gripper Screw Steel 60 mm L

Hex Head Gripper Screw w/Serrated Pad System of Measurement Metric Thread Size M20 Hex Width 30 mm Screw Material Steel Gripper Material Carbide Hardness Rockwell C72 to 74 Head Height 13.7 mm Pad Top Diameter 25.4 mm Serration Type Extra Fine Thread Length 60 mm Length Under Head 60 mm Strength Grade/Class Class 10.9 Finish Black Oxide Standards RoHS